Hutong Global Co., Ltd.
China Manufacturer with main products: tdi, Magnesium Silicon FE-SI-MG Alloys, calcium carbide, barium sulfate, toluene diisocyanate, perchloroethylene, proplene glycol, glycerol... |
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Export Markets: | North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe |
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Specifications
molecular formula: C4H6O4Zn.2(H2O)
CAS: 5970-45-6
Appearance:White crystal
Test item
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Specification
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Reagent grade
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Pharmaceutical grade
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Appearance
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Conform
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Conform
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Assay /%
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≥99.0
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≥98.0
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Clarify degrees test
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Conform
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Conform
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Water insoluble/%
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≤0.003
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≤0.005
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Chloride (Cl)/%
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≤0.001
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≤0.002
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Sulfate (SO4)/%
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≤0.002
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≤0.01
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Ferric (Fe) /%
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≤0.0002
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≤0.001
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Arsenic (As) /%
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≤0.00002
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≤0.00005
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Lead (Pb)/%
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≤0.002
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≤0.01
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Vulcanization ammonium not sediment /%
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≤0.1
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≤0.2
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Service Guarantee
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Free Service Charge
ECVV doesn't charge any service fee to Buyers for buying this product.
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ECVV Supply
ECVV is responsible for supply, and provides product quality inspection, fund supervision and supply chain services.
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Product Quality Commitment
ECVV China Sourcing Agent will assess the reputation and supply ability of the factory and conduct field trips to select the high-quality Chinese factories for buyers.
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Deposit Service Commitments
In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.
After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.
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